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Senior Backend Developer nodejs

Warszawa, mazowieckie💼 Full-time🗓 2025-10-08 → 2026-08-05

Core

Senior backend engineer owning end-to-end technical direction for IoT projects, designing scalable cloud infrastructure and data pipelines.

Role type

Senior IC backend engineer (IoT/cloud)

Builds

Production-grade backend systems, cloud infrastructure, and data pipelines for IoT devices and wearables

Domain

Internet of Things (IoT), Cloud Infrastructure

Deliverable

production ML models | product features | infrastructure

Required skills

Node.js, AWS (EKS, Aurora, DynamoDB, Timestream, S3), Kubernetes, Docker, Terraform, distributed systems, event-driven architectures, data pipelines, MQTT, CI/CD design

Preferred skills

AI tools integration, mentoring, translating business needs to technical decisions

Technologies

Node.js, AWS, Kubernetes, Docker, Terraform, Jenkins, GitLab CI, GitHub Actions, MQTT

Responsibilities

Own and evolve backend architecture for IoT projects, design and maintain cloud infrastructure on AWS, lead technical discussions and architecture reviews, mentor other backend engineers, collaborate with firmware engineers and mobile developers

Seniority

Senior, hands-on IC with technical leadership

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